chore: Address gen-iterators review feedback

[gmlewis]

Follow-up to: #3916.

cc: @alexandear - @Not-Dhananjay-Mishra - @merchantmoh-debug

[alexandear]

We should improve the generation of the github-iterators_test.go. Because currently, a lot of lines are not covered by unit tests:

[gmlewis]

GitHub Actions is currently having issues:
https://www.githubstatus.com/
Hopefully this will be resolved soon.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.60%. Comparing base (91d01f7) to head (a3597ee).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3962      +/-   ##
==========================================
+ Coverage   85.51%   93.60%   +8.09%     
==========================================
  Files         204      204              
  Lines       17554    17411     -143     
==========================================
+ Hits        15011    16298    +1287     
+ Misses       1913      912    -1001     
+ Partials      630      201     -429     

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[gmlewis]

We should improve the generation of the github-iterators_test.go. Because currently, a lot of lines are not covered by unit tests:

@alexandear - the new test coverage for github-iterators.go is 100%.
I believe I've addressed all your feedback. Please take another look when you get a chance.

[gmlewis]

Thank you, @alexandear - I believe I've addressed your review feedback.
Please take another look when you have a chance.

[alexandear]

@gmlewis LGTM

[gmlewis]

Thank you, @alexandear!
Merging.

[merchantmoh-debug]

@gmlewis - LGTM.